Cab cap deflector



FIG. 1 is a front and side perspective view of a cab cap deflector showing my new design, with broken lines illustrating a recreational vehicle and forming no part of the claimed design;

FIG. 2 is a left-side elevation view thereof, with the right-side elevation view being a mirror image thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a front elevation view thereof. 

The ornamental design for a cab cap deflector, as shown and described. 